Detection of inbound signals in the voltage domain of an electrical distribution network
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United States of America Patent
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Apr 11, 2017
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Jan 8, 2016
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Jan 15, 2015
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Abstract
A method of two-way communications over a power distribution network in which outbound communication signals (O) and an inbound communication signals (I) modulate a time-varying waveform propagated through the network, on the low voltage side of the network. An outbound signal waveform is detected at a customer location (C) with remote communication equipment (RCE) at the customer location then producing a return or inbound communication signal. A corresponding inbound signal is produced in an associated voltage waveform and this signal is detected and processed by a distribution concentrator unit (DCU) at the sending end of the network. The transmission and detection of signals on the low voltage side of the network requires less energy than the generation, propagation, detection, and processing of signals on the high voltage side thereof.
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